body {
    font: 12px/1.5 Microsoft YaHei, Tahoma, Helvetica, 'SimSun', sans-serif;
    -moz-user-select:none;
}

.panel-loading {
    position: absolute;
    top: 40%;
    left: 40%;
}
.aaa{
    position: absolute;
    left: 10px;
}